Exam 1

  1. Metainformation

    Tag Value
    fileDescriptive-statistics_uva-standard-deviation-556-en_uva-standard-deviation-556-en
    nameuva-standard-deviation-556-en
    sectionDescriptive statistics/Summary Statistics/Measures of Spread/Standard Deviation
    typeschoice
    solutionTRUE, FALSE, FALSE, FALSE
    TypeCalculation
    LanguageEnglish
    LevelStatistical Literacy
    IRT-Difficulty3.89
    p-value0.1403

    Question

    Given a sample with outcomes 27, 25, 28, 27, 29, 25, 19, 25, 29. The sample variance is equal to 9.50. The SEM (standard error of the sample mean) is then equal to


    1. TRUE: 1.03
    2. FALSE: 1.78
    3. FALSE: 3.08
    4. FALSE: 3.17

    1. 1.03: Correct
    2. 1.78: Incorrect
    3. 3.08: Incorrect
    4. 3.17: Incorrect